HJC CL-16 Hellion Full Face Helmet XXX-Large | Yellow HJC's CL-16 Hellion Full Face Helmet has an advanced polycarbonate composite shell that is lightweight and it has superior fit and comfort using advanced CAD technology. It features an aerodynamic shell shape reduces turbulence, impact absorbing, multi-density EPS liner and an ACS Advanced Channeling Ventilation System and anti-fog system.